NL7901901A - Antenne voor meerdere ontvangstgebieden met elektroni- sche versterker. - Google Patents
Antenne voor meerdere ontvangstgebieden met elektroni- sche versterker.Info
- Publication number
- NL7901901A NL7901901A NL7901901A NL7901901A NL7901901A NL 7901901 A NL7901901 A NL 7901901A NL 7901901 A NL7901901 A NL 7901901A NL 7901901 A NL7901901 A NL 7901901A NL 7901901 A NL7901901 A NL 7901901A
- Authority
- NL
- Netherlands
- Prior art keywords
- reception area
- multiple reception
- electronic amplifier
- area antenna
- antenna
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
- H03F3/1935—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices with junction-FET devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20410178A DD139680A3 (de) | 1978-03-10 | 1978-03-10 | Antenne fuer mehrere empfangsbereiche mit elektronischem verstaerker |
FR7907558A FR2452803A1 (fr) | 1978-03-10 | 1979-03-26 | Antenne a amplificateur electronique et destinee a la reception de plusieurs gammes d'ondes |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7901901A true NL7901901A (nl) | 1979-09-12 |
Family
ID=25747607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7901901A NL7901901A (nl) | 1978-03-10 | 1979-03-09 | Antenne voor meerdere ontvangstgebieden met elektroni- sche versterker. |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2909641A1 (nl) |
FR (1) | FR2452803A1 (nl) |
NL (1) | NL7901901A (nl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414690A (en) * | 1980-06-20 | 1983-11-08 | U.S. Philips Corporation | Active aerial |
US5398036A (en) * | 1989-03-10 | 1995-03-14 | Harada Kogyo Kabushiki Kaisha | Shortened mast antenna with compensating circuits |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005165703A (ja) * | 2003-12-03 | 2005-06-23 | Hitachi Ltd | 非接触識別媒体 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1199830B (de) * | 1963-12-24 | 1965-09-02 | Telefunken Patent | Transistor-Eingangsstufe eines Empfaengers |
DE1919749C3 (de) * | 1969-04-18 | 1982-05-13 | Hans Kolbe & Co, 3202 Bad Salzdetfurth | Aktive Empfangsantenne mit Dipolcharakter |
US3827053A (en) * | 1970-07-23 | 1974-07-30 | E Willie | Antenna with large capacitive termination and low noise input circuit |
DE2115657C3 (de) * | 1971-03-31 | 1983-12-22 | Flachenecker, Gerhard, Prof. Dr.-Ing., 8012 Ottobrunn | Aktive Unipol-Empfangsantenne |
DE2166898C2 (de) * | 1971-03-31 | 1982-08-26 | Gerhard Prof. Dr.-Ing. 8012 Ottobrunn Flachenecker | Aktive Unipol-Empfangsantenne für den Empfang in zwei durch eine Frequenzlücke getrennten Frequenzbereichen |
DE2141666A1 (de) * | 1971-08-19 | 1973-02-22 | Siemens Ag | Aktiver vierpol zur widerstandsgerechten anpassung einer lmku-empfangsantenne an eine niederfuehrungsleitung |
-
1979
- 1979-03-09 NL NL7901901A patent/NL7901901A/nl not_active Application Discontinuation
- 1979-03-12 DE DE19792909641 patent/DE2909641A1/de not_active Ceased
- 1979-03-26 FR FR7907558A patent/FR2452803A1/fr not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414690A (en) * | 1980-06-20 | 1983-11-08 | U.S. Philips Corporation | Active aerial |
US5398036A (en) * | 1989-03-10 | 1995-03-14 | Harada Kogyo Kabushiki Kaisha | Shortened mast antenna with compensating circuits |
Also Published As
Publication number | Publication date |
---|---|
FR2452803A1 (fr) | 1980-10-24 |
DE2909641A1 (de) | 1979-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |